From 317cb9dba3ef1986f86ccca8593719d4c043607d Mon Sep 17 00:00:00 2001
From: Markus Kowalewski <markus.kowalewski@gmail.com>
Date: Sun, 18 Dec 2022 20:11:10 +0100
Subject: [PATCH] hwloc: allow for optional build with CUDA

---
 pkgs/development/libraries/hwloc/default.nix | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/libraries/hwloc/default.nix b/pkgs/development/libraries/hwloc/default.nix
index b0803900e319..426f87047cd6 100644
--- a/pkgs/development/libraries/hwloc/default.nix
+++ b/pkgs/development/libraries/hwloc/default.nix
@@ -1,5 +1,9 @@
 { lib, stdenv, fetchurl, pkg-config, expat, ncurses, pciutils, numactl
-, x11Support ? false, libX11, cairo
+, x11Support ? false
+, libX11
+, cairo
+, enableCuda ? false
+, cudaPackages
 }:
 
 stdenv.mkDerivation rec {
@@ -21,7 +25,8 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ expat ncurses ]
     ++ lib.optionals x11Support [ cairo libX11 ]
-    ++ lib.optionals stdenv.isLinux [ numactl ];
+    ++ lib.optionals stdenv.isLinux [ numactl ]
+    ++ lib.optional enableCuda cudaPackages.cudatoolkit;
 
   # Since `libpci' appears in `hwloc.pc', it must be propagated.
   propagatedBuildInputs = lib.optional stdenv.isLinux pciutils;